Late Neogene slip transfer and extension within the curved Whisky Flat fault system central Walker Lane, west-central Nevada
by Biholar, Alexander Kenneth Casian, M.S., THE UNIVERSITY OF TEXAS AT DALLAS, 2011, 68 pages; 1491127

Abstract:

In Whisky Flat of west-central Nevada, northwest-striking faults in the Walker Lane curve to east-northeast orientations at the northern limits of the Mina deflection. This curve in strike results in the formation of ∼685 m deep depression bounded by north-south convex to the east range-front faults that at the apex of fault curvature are bisected at a high angle by a structural stepover. We use the vertical offset of a late Miocene erosional surface mapped in the highlands and inferred from gravity depth inversion in the basin to measure the magnitude of displacement on faults. A N65°W extensional axis determined through fault-slip inversion is used to constrain the direction in displacement models. Through the use of a forward rectilinear displacement model, we document that the complex array of faults is capable of developing with broadly contemporaneous displacements on all structures since the opening of the basin during the Pliocene.

 
AdviserJohn S. Oldow
SchoolTHE UNIVERSITY OF TEXAS AT DALLAS
SourceMAI/ 49-05, p. , May 2011
Source TypeThesis
SubjectsGeology; Geophysics
Publication Number1491127
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